422302222 has 8 divisors (see below), whose sum is σ = 635692536. Its totient is φ = 210404712.

The previous prime is 422302213. The next prime is 422302267. The reversal of 422302222 is 222203224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×422302222² = 356678333412274568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422302222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372493 + ... + 373624.

It is an arithmetic number, because the mean of its divisors is an integer number (79461567).

Almost surely, 2^422302222 is an apocalyptic number.

422302222 is a deficient number, since it is larger than the sum of its proper divisors (213390314).

422302222 is a wasteful number, since it uses less digits than its factorization.

422302222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746402.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 422302222 is about 20549.9932360086. The cubic root of 422302222 is about 750.2530831815.

Adding to 422302222 its reverse (222203224), we get a palindrome (644505446).

The spelling of 422302222 in words is "four hundred twenty-two million, three hundred two thousand, two hundred twenty-two".